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oracle.jbo.server
Class ProgrammaticEntityImpl

java.lang.Object
oracle.jbo.server.RowImpl
oracle.jbo.server.EntityImpl
oracle.jbo.server.ProgrammaticEntityImpl

All Implemented Interfaces:

java.util.EventListener, AttributeList, DomainOwnerInterface, ExtDomainOwnerInterface, JIReservedVarNames, ExprScriptSupplier, ExprValueSupplier, ExprValueTypeSupplier, ExprWrappable, JboReservedVarNames, Row, RowExprScriptSupplier, ExprScriptRunner, Entity, TransactionListener, TransactionPostListener, ValidationListener, ValidationManager, VariableManagerOwnerBase, XMLInterface

public class ProgrammaticEntityImpl

extends EntityImpl

Nested Class Summary

static class

ProgrammaticEntityImpl.CommitActionType

Field Summary

Fields inherited from class oracle.jbo.server.EntityImpl

CURRENT_VERSION, DML_DELETE, DML_INSERT, DML_UPDATE, MAXATTRCONST, mOrigData, ORACLE_ROWID_COLUMN, ORIGINAL_VERSION, PROPERTY_FORCE_BATCH_ON_CHILDREN, PROPERTY_LOOKUP_ACCESSOR, PROPERTY_LOOKUP_ATTR_NAME, PROPERTY_LOOKUP_DISPATTR, PROPERTY_LOOKUP_TYPE, PROPERTY_MULTIPLE_VERSION_NUMBER_UPDATE, SYS_EFFDT_ROW_SPLIT, TRANS_ORIGINAL_VERSION, XML_CI_CHANGED, XML_PK_CHANGED, XML_PK_CHANGED_YES

Fields inherited from class oracle.jbo.server.RowImpl

PROPERTY_SERVICE_RESOURCE_CONTAINER_PATH

Fields inherited from interface oracle.jbo.server.Entity

STATUS_DEAD, STATUS_DELETED, STATUS_MODIFIED, STATUS_UNMODIFIED

Fields inherited from interface oracle.jbo.Row

EFFDT_ADJUST_EFFECTIVE_END_DATE_MODE, EFFDT_ADJUST_EFFECTIVE_START_DATE_MODE, EFFDT_DELETE_FUTURE_CHANGE_MODE, EFFDT_DELETE_MODE, EFFDT_DELETE_NEXT_CHANGE_MODE, EFFDT_DELETE_THIS_CHANGE_MODE, EFFDT_DELETE_ZAP_MODE, EFFDT_EXPERT_MODE, EFFDT_NONE_MODE, EFFDT_UPDATE_CHANGE_INSERT_MODE, EFFDT_UPDATE_CORRECTION, EFFDT_UPDATE_INSERT_MODE, EFFDT_UPDATE_MODE, EFFDT_UPDATE_NEW_EARLIEST_CHANGE_MODE, EFFDT_UPDATE_OVERRIDE_MODE, REFRESH_CONTAINEES, REFRESH_FORGET_NEW_ROWS, REFRESH_REMOVE_NEW_ROWS, REFRESH_UNDO_CHANGES, REFRESH_WITH_DB_FORGET_CHANGES, REFRESH_WITH_DB_ONLY_IF_UNCHANGED, STATUS_INITIALIZED, STATUS_NEW

Fields inherited from interface oracle.jbo.XMLInterface

XML_IGNORE_DEPTH_COUNT, XML_OPT_ALL_ROWS, XML_OPT_ASSOC_CONSISTENT, XML_OPT_CHANGES_ONLY, XML_OPT_LIMIT_RANGE, XML_PASSIVATION_USE

Fields inherited from interface oracle.jbo.JboReservedVarNames

RESERVED_VAR_AGG_AVG, RESERVED_VAR_AGG_COUNT, RESERVED_VAR_AGG_MAX, RESERVED_VAR_AGG_MIN, RESERVED_VAR_AGG_SUM, RESERVED_VAR_AGGVAL_PREFIX, RESERVED_VAR_STRUCTURE_DEF

Fields inherited from interface oracle.jbo.expr.JIReservedVarNames

RESERVED_VAR_VALUE

Constructor Summary

ProgrammaticEntityImpl()

Method Summary

void	afterRollback(TransactionEvent e) Internal: Applications should not call this method.
void	beforeCommit(TransactionEvent e) Polls transaction listeners before a commit operation.
protected void	commitDataProvider(ProgrammaticEntityImpl.CommitActionType commitActionType) Override this method to perform commit on custom datasource, if the custom Datasource is supporting both postChange / commit separately
protected ViewObjectImpl	createAssociationAccessorVO(AssociationDefImpl assocDef, java.lang.String voName, EntityAssociation eoAssoc)
protected void	doDML(int operation, TransactionEvent e) Performs INSERT/UPDATE/DELETE processing for the row.
protected void	doSelect(boolean lock) Advanced: Most applications should not use this method.
protected java.util.HashMap<java.lang.String,java.lang.Object>	getChangedAttributeMap()
protected java.util.HashMap<java.lang.String,java.lang.Object>	getPrimaryKeyMap(boolean orig)
protected java.util.List<SparseArray>	getRowFromDataSource(java.util.HashMap<java.lang.String,java.lang.Object> origPrimaryKeyMap) User should override this method and return a List of rows from Datasource which matches this Entity's primary key.
protected void	lockDataProvider(boolean lock) Override this API to lock the underneath dataprovider.
protected java.util.HashMap<java.lang.String,java.lang.Object>	postDataProvider(int operationType, java.util.ArrayList retAttrNames) Override this method to insert/delete/update a Row into custom datasource
protected void	rollbackDataProvider() Override this method to perform rollback on custom datasource, if the custom Datasource is supporting both postChange / commit separately
protected void	setLocked(boolean lockedState) Sets the locked state.

Methods inherited from class oracle.jbo.server.EntityImpl

addToTransactionManager, addToValidationListeners, addTransactionPostListener, addTransactionPostListenerNoCheck, afterCommit, afterRemove, appendXMLElementNodes, appendXMLElementNodesForAttrs, beforeRollback, bindDMLStatement, bindWhereClause, buildDMLStatement, buildRefreshSQL, buildWhereClause, checkConsistency, clearAttributeException, compare, copyChangedNonKeyAttributes, copyEffDtEntity, create, createArray, createAssociationAccessorRS, createBlob, createClob, createEntityAttrHints, createEntityViewLinkAccessorRS, createEntityViewLinkAccessorVO, createNClob, createRef, createStruct, createUnqualifiedRowSet, createViewAccessorRS, createViewAccessorRS, doAllowsOperation, doDMLForCascadeUpdate, doDMLWithLOBs, doEffectiveDateRangeOperation, domainToBeModified, donePostingAll, doRefreshSQL, doSelectForAltKey, eventsDebugOnly, fetchExprValueSupplierOverrideRow, findAssociationAccessorVO, findEntityViewLinkAccessorVO, findOrCreateAssociationAccessorRS, findOrCreateLocalViewObject, findOrCreateViewAccessorRS, findOrCreateViewAccessorRS, findViewAccessorDef, findViewAccessorVO, getAltKey, getAttribute, getAttribute, getAttribute, getAttributeChangedCount, getAttributeCount, getAttributeHints, getAttributeHints, getAttributeIndexOf, getAttributeInternal, getAttributeNames, getAttributeValue, getAttributeValues, getAttrInvokeAccessor, getBaseAttributeCount, getChangeIndicator, getComparator, getContainerEntity, getDBTransaction, getDynamicAttributeCount, getDynamicAttributeValue, getEffDtInitEndDateValue, getEffectiveDate, getEntityCache, getEntityCacheInternal, getEntityDef, getEntityState, getExprVarVal, getHistoryContextForAttribute, getKey, getListBindingRSI, getListBindings, getLookupDescription, getOrigData, getParentVariableManager, getPKBasedRef, getPostedAttribute, getPostState, getPrimaryKey, getRefreshSQLKeyAttrs, getRowOperationsScript, getSQLBuilder, getStateAsString, getStructureDef, getTransactionListeners, getTransactionListenersList, getTransPostHandle, getValidationListeners, getValidationListenersList, handleActivatedRowNotFound, handleEffectiveDateOperations, handleEffectiveDateRowCreate, handleEffectiveDateRowDelete, handleEffectiveDateRowUpdate, handleListBindingMismatch, handlePostChangesError, hasAttributeException, hasListBindings, hasUpdatePrivilege, initBusLogicGroupDefaults, initBusLogicGroupDfltExprAttrs, initData, initDefaultExpressionAttributes, initDefaults, initialize, isAttributeChanged, isAttributeChanged, isAttributeChangedInTransaction, isAttributePopulated, isAttributePopulated, isAttributeUpdateable, isDead, isInCache, isInvalid, isLocked, isLookupIdValid, isOrigDataEmpty, isOrigDataPopulated, isPostedToDB, isSkipDML, isTransientTransactionListener, isTransientTransactionPostListener, isValid, isViewAccessorAttribute, lock, lockTopLevelEntity, markViewAccessorsDirty, notifyAttributesAndBlgChanged, notifyAttributesChanged, notifyAttributesChanged, notifyEntityActivated, notifyEventRaised, outputEventString, populateAttribute, populateAttribute, populateAttribute, populateAttributeAsChanged, postChanges, prepareForBatchDML, prepareForDML, prepareVOToFetchNextEffDtRows, prepareVOToFetchNextEffDtRows, prepareVOToFetchNextEffDtSeqRows, prepareVOToFetchNextEffDtSeqRows, prepareVOToFetchPrevEffDtRows, prepareVOToFetchPrevEffDtRows, prepareVOToFetchPrevEffDtSeqRows, prepareVOToFetchPrevEffDtSeqRows, readAttrsFromXML, readXML, refresh, refreshFKInNewContainees, registerAttributeException, remove, removeAndRetain, removedByAnotherTrans, removeFromCollection, removeTransactionPostListener, resetPKBasedRef, revert, revertChangesToEffDtEntity, setAttribute, setAttribute, setAttributeChanged, setAttributeInternal, setAttributeValues, setAttrInvokeAccessor, setDynamicAttributeValue, setEffectiveDateMode, setEntityDef, setInvalid, setNewRowState, setPostedToDB, setTransPostHandle, toString, validate, validateDateEffectivity, validateEntity, variablesAdded, vetoRemoveWithDetails

Methods inherited from class oracle.jbo.server.RowImpl

addListBindingsForAttribute, clearAllExceptions, clearAttributeException, clearRowExceptions, createXMLDefinition, doAutoClearAttribute, ensureVariableManager, findAttrAndGetIndex, findListBindingName, forceFilterListExecute, getAllExceptions, getAttributeInternal, getAttributeSecurityHints, getAttributeSecurityHints, getCombinedAttrNames, getEffectiveDateMode, getExprMethodVal, getExprVarValType, getGlobalScript, getHints, getMessageBundleClass, getMethodKind, getResourceBundleDef, getRowExceptions, getSecurityHints, getVariableManager, getViewAccessorResultIndex, hasAttributeException, hasDeferredExceptions, hasVariables, invokeMethod, isRefreshRequired, isRefreshRequired, isRefreshRequired, lookupListBinding, printXMLDefinition, readXML, refreshViewAccessor, refreshViewAccessor, refreshViewAccessor, registerRowException, setAttributeInternal, setExprVarVal, setInMultiSetter, skipFilterListOnKeyAttributes, writeXML, writeXML, writeXML, writeXML

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface oracle.jbo.Row

getAttributeSecurityHints, getAttributeSecurityHints, getEffectiveDateMode, getSecurityHints

Methods inherited from interface oracle.jbo.XMLInterface

readXML, writeXML, writeXML, writeXML, writeXML

Constructor Detail

ProgrammaticEntityImpl

public ProgrammaticEntityImpl()

Method Detail

postDataProvider

protected java.util.HashMap<java.lang.String,java.lang.Object> postDataProvider(int operationType,
                                                                                java.util.ArrayList retAttrNames)

Override this method to insert/delete/update a Row into custom datasource

Parameters:

operationType - - possible values for this flag are EntityImpl.DML_INSERT , EntityImpl.DML_UPDATE and EntityImpl.DML_DELETE. Based on the opeartion type, we should update the datasource with latest values.

retAttrNames - - List of attribute names, whose values need to be returned once insert/update been performed.

Returns:

- Map of attributeName and corresponding values.

rollbackDataProvider

protected void rollbackDataProvider()

Override this method to perform rollback on custom datasource, if the custom Datasource is supporting both postChange / commit separately

commitDataProvider

protected void commitDataProvider(ProgrammaticEntityImpl.CommitActionType commitActionType)

Override this method to perform commit on custom datasource, if the custom Datasource is supporting both postChange / commit separately

Parameters:

commitActionType - - possible values for this flag are:- CommitActionType.DELETE - Delete the row from cache and original custom DS CommitActionType.MERGE - Merge the row from cache to original custom DS CommitActionType.IGNORE - Ignore this cached row and perform No action for Original row

getRowFromDataSource

protected java.util.List<SparseArray> getRowFromDataSource(java.util.HashMap<java.lang.String,java.lang.Object> origPrimaryKeyMap)

User should override this method and return a List of rows from Datasource which matches this Entity's primary key. Default implementation will return the caller's entity current row state.

Parameters:

origPrimaryKeyMap - - Attribute Name-Value Map of original key values. It may possible that user modify the PK attribute

Returns:

- List of rows from Datasource which matches this Entity's primary key.

lockDataProvider

protected void lockDataProvider(boolean lock)

Override this API to lock the underneath dataprovider. If the dataprovider is already locked and lock is TRUE, in that case throw oracle.jbo.AlreadyLockedException

Parameters:

lock - - If true, lock the underneath data provider

doDML

protected void doDML(int operation,
                     TransactionEvent e)

Description copied from class: EntityImpl

Performs INSERT/UPDATE/DELETE processing for the row. Override this method to provide custom logic for processing inserts, updates, and deletes. Note, do not set any of this Entity's attributes in this method if this entity needs to work alike in both batch and non-batchmode cases. Perform all setAttributes that needs to done in postChanges() phase in prepareForDML().

This method calls buildDMLStatement() to build the DML string based on the DML operation to be performed. For insert and update, the DML statement will only set the values that have been modified/changed. Other attributes do not participate in the DML.

Next, bindDMLStatement() is called to bind the DML statement with values to be updated and any other where-clause and returning parameters. After this, it executes the jdbc-statement or adds the current DML as a batch operation into a batched jdbc-statement, to be executed in Transaction.postChanges().

Here is sample code for overriding the doDML() method of any Entity Object's EntityImpl class to invoke a stored procedure, and pass arguments. For example, given a PL/SQL stored procedure like:

 PROCEDURE updateDepartment( p_Deptno NUMBER,
                             p_Dname  VARCHAR2,
                             p_Loc    VARCHAR2 )
 

The code to call it when an Entity is updated would look like this: Note: The following code assumes only updates are possible, disallowing inserts and deletes by ignoring them in the doDML() method.

    public void doDML(int operation, TransactionEvent e) {
       // Don't call the superclass. This procedure handles only updates
       //super.doDML(operation, e);
       CallableStatement stmt = null;
       // ONLY Perform updates, this Entity won't allow inserts/deletes.
       if (operation == DML_UPDATE)
       {
         // Prepare JDBC CallableStatement with the Stored Procedure Call
         String updateStr = "{call updateDepartment(?,?,?)}";
         stmt = getDBTransaction().createCallableStatement(updateStr, 1);
         try
         {
            // Bind the Statement Parameters and Execute this Statement
            stmt.setString(1, getDeptno().toString());
            stmt.setString(2, getDname().toString());
            stmt.setString(3, getLoc().toString());
            stmt.execute();
          }
          catch (Exception ex)
          {
            throw new oracle.jbo.JboException(ex);
          }
          finally
          {
             try
             {
                stmt.close();
             }
             catch (Exception nex)
             {
          }
        }
      }
    }
 

Overrides:

doDML in class EntityImpl

Parameters:

operation - the integer representation of DML_INSERT, DML_UPDATE, or DML_DELETE.

e - this Entity Object's transaction event.

getChangedAttributeMap

protected java.util.HashMap<java.lang.String,java.lang.Object> getChangedAttributeMap()

Returns:

- It returns the HashMap of all those attribute whose value has been changed.

doSelect

protected void doSelect(boolean lock)

Description copied from class: EntityImpl

Advanced: Most applications should not use this method.

Performs SELECT/SELECT FOR UPDATE processing for the row. This method faults-in all column-values from the database object for this Entity Object.

This method can be overridden, for example, if you want to fill in the Entity Object values yourself.

Overrides:

doSelect in class EntityImpl

Parameters:

lock - true generates a "SELECT for UPDATE"

setLocked

protected final void setLocked(boolean lockedState)

Description copied from class: EntityImpl

Sets the locked state.

This method is protected since users should call lock to place the row into the correct locked state.

Overrides:

setLocked in class EntityImpl

Parameters:

lockedState - set to true to lock the row.

createAssociationAccessorVO

protected ViewObjectImpl createAssociationAccessorVO(AssociationDefImpl assocDef,
                                                     java.lang.String voName,
                                                     EntityAssociation eoAssoc)

Overrides:

createAssociationAccessorVO in class EntityImpl

afterRollback

public final void afterRollback(TransactionEvent e)

Description copied from class: EntityImpl

Internal: Applications should not call this method.

Initiates a state change and polls listeners following a rollback operation.

Resets the EntityState to STATUS_DEAD or STATUS_UNMODIFIED for new or updated/removed rows respectively. Sets other status flags for this Entity Object so that it behaves just like it was fetched for the first time from the database.

This method should not be overridden.

Specified by:

afterRollback in interface TransactionListener

Overrides:

afterRollback in class EntityImpl

Parameters:

e - this Entity Object's transaction event.

See Also:

TransactionListener

beforeCommit

public final void beforeCommit(TransactionEvent e)

Description copied from class: EntityImpl

Polls transaction listeners before a commit operation.

Specified by:

beforeCommit in interface TransactionListener

Overrides:

beforeCommit in class EntityImpl

Parameters:

e - this Entity Object's transaction event.

See Also:

TransactionListener

getPrimaryKeyMap

protected final java.util.HashMap<java.lang.String,java.lang.Object> getPrimaryKeyMap(boolean orig)

Parameters:

orig - - If passed as true, this API return the original PK value map else the current PK values map

Returns:

- Based on the orig flag, this API returns the PK value. User can modify the PK attribute.

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